209301492040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1877}}^1\times {\mathrm{67993}}^1$

素因数の和:69922

約数の個数: 64

約数和(自身を含む): 482678526960

約数和(自身を除く): 273377034920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1877, 3754, 7508, 9385, 15016, 18770, 37540, 67993, 75080, 76957, 135986, 153914, 271972, 307828, 339965, 384785, 543944, 615656, 679930, 769570, 1359860, 1539140, 2719720, 2787713, 3078280, 5575426, 11150852, 13938565, 22301704, 27877130, 55754260, 111508520, 127622861, 255245722, 510491444, 638114305, 1020982888, 1276228610, 2552457220, 5104914440, 5232537301, 10465074602, 20930149204, 26162686505, 41860298408, 52325373010, 104650746020, 209301492040]

約数ペア:

[(1, 209301492040), (2, 104650746020), (4, 52325373010), (5, 41860298408), (8, 26162686505), (10, 20930149204), (20, 10465074602), (40, 5232537301), (41, 5104914440), (82, 2552457220), (164, 1276228610), (205, 1020982888), (328, 638114305), (410, 510491444), (820, 255245722), (1640, 127622861), (1877, 111508520), (3754, 55754260), (7508, 27877130), (9385, 22301704), (15016, 13938565), (18770, 11150852), (37540, 5575426), (67993, 3078280), (75080, 2787713), (76957, 2719720), (135986, 1539140), (153914, 1359860), (271972, 769570), (307828, 679930), (339965, 615656), (384785, 543944)]